[kde] [Bug 494160] Open Folder... in vscode causes kdialog to leak memory rapidly on Wayland

[Nicolas Fella]

https://bugs.kde.org/show_bug.cgi?id=494160

Nicolas Fella <nicolas.fella at gmx.de> changed:

           What    |Removed                     |Added
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                 CC|                            |nicolas.fella at gmx.de

--- Comment #4 from Nicolas Fella <nicolas.fella at gmx.de> ---
Okay, the problem is this:

Opening the file picker in VS Code uses kdialog. Internally kdialog uses
QMimeDatabase, which gets the information from shared-mime-info. Due to a
somewhat recent change in shared-mime-info it can happen that code reading it
runs into an infinite loop. This seems to be happening in particular since
Kubuntu and Snap both ship a (different) version of shared-mime-info.

The QMimeDatabase issue was fixed in Qt6 with
https://codereview.qt-project.org/c/qt/qtbase/+/518454, but Qt5 (which is used
on Kubuntu 24.04) wasn't fixed.

See https://github.com/microsoft/vscode/issues/230679,
https://github.com/microsoft/vscode/issues/230454,
https://gitlab.freedesktop.org/xdg/shared-mime-info/-/merge_requests/258#note_2167707

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